The target ridings are the ridings that were won by a narrow margin in the preceding election, making them promising campaign targets in the election in question.
Listed is the name of the riding, followed by the party which was victorious in 2004 (in parentheses) and the margin, in terms of percentage of the vote, between the winning candidate and the runner-up.
Bold ridings indicate successful gains.
To clarify further; this is a list of 2004 federal election winners with their party in parentheses, and their margin of victory as a percentage of the vote.
Bold indicates parties with members elected to the House of Commons.